balsam woolly aphid


Definition of balsam woolly aphid

: an aphid (Adelges piceae) native to northern Europe and widespread in North America that severely damages fir (such as balsam fir) causing swollen twigs and abnormal growth and covering the stems with a dirty white flocculent encrustation

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“Balsam woolly aphid.” Dictionary, Merriam-Webster, Accessed 30 Sep. 2020.

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